Download 2107 User Manual - Sealevel Systems, Inc

SeaLINK+485-DB9 User Manual
USER MANUAL
ITEM#2107
Sealevel Systems, Inc.
Sealevel.com
Phone 864.843.4343
Contents
Regulatory.................................................................................................................................... 4
FCC Statement ........................................................................................................................... 4
Before You Get Started ................................................................................................................. 4
What’s Included ......................................................................................................................... 4
Advisory Conventions ................................................................................................................ 4
Product Description ...................................................................................................................... 5
Features .................................................................................................................................... 5
Optional Items ........................................................................................................................... 6
Product Family........................................................................................................................... 8
Electrical Specifications .............................................................................................................. 11
Connector Pin Out ................................................................................................................... 11
Technical Specifications ............................................................................................................. 12
Environmental Specifications ................................................................................................... 12
Power Requirements ................................................................................................................ 12
Manufacturing ......................................................................................................................... 12
Hardware Configuration ............................................................................................................. 13
Ruggedized Overmold Enclosure ............................................................................................. 13
DB9M Serial Connector ............................................................................................................ 13
Status LEDs ............................................................................................................................. 13
Attached USB Cable ................................................................................................................. 13
Installation ................................................................................................................................. 14
SeaCOM Software Installation .................................................................................................. 14
Direct Driver installation from the Sealevel disk ....................................................................... 17
Instructions for downloaded Software Installation .................................................................... 17
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Upgrading to the current SeaCOM driver.................................................................................. 17
Hardware Installation............................................................................................................... 18
Verifying Installation ............................................................................................................... 23
Uninstall & Upgrade Instructions ............................................................................................. 24
Appendix A - Handling Instructions ............................................................................................ 27
ESD Warnings .......................................................................................................................... 27
Appendix B – Troubleshooting.................................................................................................... 28
Appendix C – Electrical Interface ................................................................................................ 29
RS-485 .................................................................................................................................... 29
Appendix D – Asynchronous Communications ............................................................................ 29
Appendix E – Cable Drawing ....................................................................................................... 31
Appendix F - How to Get Assistance ........................................................................................... 32
Technical Support .................................................................................................................... 32
Warranty .................................................................................................................................... 33
Warranty Policy ........................................................................................................................ 33
Non-Warranty Repair/Retest..................................................................................................... 33
How to obtain an RMA (Return Merchandise Authorization) ..................................................... 33
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Regulatory
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
Before You Get Started
WHAT’S INCLUDED
The 2107 is shipped with the following items. If any of these items are missing or damaged, please contact
Sealevel for replacement.
•
2107– USB to RS-485 Single Port Serial Interface Adapter
•
Sealevel Software CD – SeaCOM Software and User Manual
•
TB34 – DB9 Female to 5 Screw Terminals
ADVISORY CONVENTIONS
Warning - The highest level of importance used to stress a condition where damage could result to
the product or the user could suffer serious injury.
Important– The middle level of importance used to highlight information that might not seem
obvious or a situation that could cause the product to fail.
Note – The lowest level of importance used to provide background information, additional tips, or
other non-critical facts that will not affect the use of the product.
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Product Description
The Sealevel Systems SeaLINK+485-DB9 serial interface adapter provides the PC with a single USB to RS-485
asynchronous serial port providing a versatile interface for common RS-485 needs. The SeaLINK+485
connects to a PC’s external USB port, so it does not require opening the computer case. Resources such as
IRQs and I/O addresses are also not utilized.
The SeaLINK® USB to RS-485 serial adapter utilizes Sealevel’s expertise in military-grade designs by
incorporating a ruggedized, overmolded enclosure design. This improves the reliability and durability in
industrial and mobile applications such as GPS navigation systems, barcode readers, signature input
devices, serial printers, scales, and similar applications.
The 2107 features programmable baud rate and data formats with 128-byte receive and 256-byte transmit
buffers. The USB serial adapter is compatible with all standard PC baud rates (300 baud and above) and
supports high-speed communication to 921.6K bps. The 2107 is powered by the USB port and status LEDs
molded into the enclosure indicate serial data activity and connection to the host.
The 2107 is specifically designed to be placed on either end of a two-wire half-duplex RS-485
communication link. It provides built in pull-up, pull-down, and terminating resistors that are required for
devices at the end of the link. It provides the required pull-up, pull-down, and terminating resistors
required for devices at the end of the link. Because the 2107 is designed to fully implement a two-wire
half-duplex RS-485 end point, it should not be placed in the middle of a RS-485 link. Because the 2107 is
designed to fully implement a RS-485 end point, it should not be placed in the middle of a RS-485 link.
Sealevel SeaCOM USB software drivers and utilities make installation and operation easy using Windows and
Linux operating systems. After installing the software, simply plug the 2107 into an available USB port and
the serial port is recognized as a standard COM port by the host system enabling compatibility with legacy
software.
The attached cable is 44 inches long and fully shielded to protect the 2107 from RF and EMI interference
that is common in mobile and industrial environments. Standard operating temperature range is -40° +75°C.
FEATURES
•
Compliant with RoHS and WEEE directives
•
High-speed UART with 128-byte Rx FIFO and
256-byte Tx FIFO
•
Data rates from 300 bps to 921.6K bps
•
Two-wire half duplex operation with built-in
end of link pull-up, pull-down, and
terminating resistors
•
Powered by USB connection
•
DB9M connector
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OPTIONAL ITEMS
Depending upon your application, you are likely to find one or more of the following items useful with the
2107. All items can be purchased from our website (www.sealevel.com) by calling our sales team at (864)
843-4343.
CABLES
Terminal Block - DB9 Female to 5 Screw Terminals (RS-422/485) (Part# TB34)
The TB34 terminal block adapter offers a simple solution
for connecting RS-422 and RS-485 field wiring to a serial
port. The terminal block is compatible with 2-wire and 4wire RS-485 networks and matches the RS-422/485 pinout on Sealevel serial devices with DB9 male connectors.
A pair of thumbscrews secures the adapter to the serial
port and prevents accidental disconnection. The TB34 is
compact and allows multiple adapters to be used on
multi-port serial devices, such as Sealevel USB serial
adapters, Ethernet serial servers and other Sealevel serial
devices with two or more ports.
DB9F to DB25M (RS-485) Extension Cable (Part# CA177)
The CA177 is a standard AT-style RS-485 modem cable
with a DB9F connector on one end and a DB25M
connector on the other. This cable is 72 inches in length.
DB9F to DB9M Extension Cable (Part# CA127)
The CA127 allows users to extend a DB9 cable up to six
feet. The connectors are pinned one-to-one so the cable
is compatible with any device or cable that has DB9
connectors.
DB9 Female to 9 Screw Terminal (Part# TB05)
The TB05 terminal block breaks out a DB9 connector to
9 screw terminals to simplify field wiring of serial
connections. It is ideal for RS-422 and RS-485 networks,
yet it will work with any DB9 serial connection, including
RS-232. The TB05 includes holes for board or panel
mounting. The TB05 is designed to connect directly to
Sealevel DB9 serial cards or any cable with a DB9M
connector.
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HUBS
High Speed 4-Port USB 2.0 Hub with SeaLATCH USB Ports (Part# HUB4P)
The hub is USB 2.0 compliant, providing a full 480M bps
data rate to the host, and is backwards compatible with
USB 1.1 and 1.0 devices. The HUB4P includes a wallmount AC adapter that supplies a full 500mA to each
attached USB peripheral. The power supply outputs
5VDC @ 2.4A and has a locking DC connector to prevent
accidental removal of the power cable.
High Speed 7-Port USB 2.0 Hub (Part# Hub 7P)
The HUB7P is USB 2.0 compliant, providing a full 480M
bps data rate to the host, and is backwards compatible
with USB 1.1 and 1.0 devices. The powered hub includes
a wall-mount AC adapter that supplies a full 500mA to
each attached USB peripheral. The power supply outputs
5VDC @ 4A and has a locking DC connector to prevent
accidental removal of the power cable. The hub is
housed in a rugged plastic enclosure and status LEDs
indicate external power, connection to the host, and
fault conditions.
ADAPTERS AND CONVERTERS
DB9F to RJ45 Modular Adapter (Item# RJ9S8)
The RJ9S8 is a DB9 female to RJ45 adapter. It can be
configured without tools and is an excellent choice for
using available infrastructure wiring.
DB9 Female to DB9 Male - Serial Surge Suppressor (Part# SS-DB9)
User configurable for use with male or female DB9 ports,
the SS-DB9 protects all 9 lines, plus D shell chassis.
Convenient DB9 input and output connects directly to
the protected port, obtaining a ground outlet from the
computer chassis. Surge suppression is handled with
balanced arrays of high-speed avalanche diodes that
divert excess energies created by electrostatic
discharges, faulty wiring or lightning away from network
interface connections.
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PRODUCT FAMILY
Whether you require one serial port or 16, SeaLINK USB serial adapters will have you quickly communicating
with RS-232, RS-422, and RS-485 peripherals. Unlike traditional UART-based devices, SeaLINK USB products
use a state-machine architecture that reduces host processor overhead for faster, more reliable
communications. Sealevel's SeaCOM software drivers and utilities make installation and operation easy
using Windows and Linux operating systems.
Part #
Description
2105R
USB to 1-Port RS-232 DB9 Serial Interface Adapter
2106
USB to 1-Port RS-422 DB9 Serial Interface Adapter
2107
USB to 1-Port RS-485 DB9 Serial Interface Adapter
2113
USB to 1-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2123
USB to 1-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
2101
USB to 1-Port RS-232 DB25 Serial Interface Adapter
2102
USB to 1-Port RS 422, RS-485, RS-530 DB25 Serial Interface Adapter
2103
USB to 1-Port Isolated RS-232 DB25 Serial Interface Adapter
2104
USB to 1-Port RS 422, RS-485, RS-530 DB25 Serial Interface Adapter
2108
Embedded USB to 1-Port RS-232 DB9 Serial Interface Adapter with Low Profile PC
Bracket
2128
Embedded USB to 1-Port RS-232, RS-422, RS-485 (Software Configurable) DB9
Serial Interface Adapter with PC Bracket
2213
USB to 2-Port Isolated RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2223
USB to 2-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
2201
USB to 2-Port RS-232 DB9 Serial Interface Adapter
2202
USB to 2-Port RS-422, RS-485 DB9 Serial Interface Adapter
2203
USB to 2-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2208
Embedded USB to 2-Port RS-232 DB9 Serial Interface Adapter with Standard Size PC
Bracket
2228
Embedded USB to 2-Port RS-232, RS-422, RS-485 (Software Configurable) DB9
Serial Interface Adapter with PC Bracket
2401
USB to 4-Port RS-232 DB9 Serial Interface Adapter
2402
USB to 4-Port RS-422, RS-485 DB9 Serial Interface Adapter
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2403
USB to 4-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2404
USB to 4-Port RS-232 RJ45 Serial Interface Adapter
2407
USB to 4-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter
2423
USB to 4-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
2433
USB to 4-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
641U
USB to RS-232 RJ45 Serial Interface Adapter
647U
USB to RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter
2801
USB to 8-Port RS-232 DB9 Serial Interface Adapter
2802
USB to 8-Port RS-422, RS-485 DB9 Serial Interface Adapter
2803
USB to 8-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2804
USB to 8-Port RS-232 RJ45 Serial Interface Adapter
2807
USB to 8-Port RS-232, RS-485, RJ45 VersaCom Serial Interface Adapter
2823
USB to 8-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
2833
USB to 8-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
681U
USB to RS-232 RJ45 Serial Interface Adapter
687U
USB to RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter
2161
USB to 16-Port RS-232 RJ45 Serial Interface Adapter
2167
USB to 16-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter
2108S
Embedded USB to 1-Port RS-232 DB9 Serial Interface Adapter with Standard Size PC
Bracket
2123-OEM
USB to 1-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
2223-KT
USB to 2-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
2223-OEM
USB to 2-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface
Adapter
641U-OEM
USB to RS-232 RJ4 Serial Interface Adapter
647U-OEM
USB to RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter
681U-OEM
USB to RS-232 RJ45 Serial Interface Adapter
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687U-OEM
USB to RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter
2106-RoHS
RoHS Compliant USB to 1-Port RS-422 DB9 Serial Interface Adapter
2102-RoHS
RoHS Compliant USB to 1-Port RS-422, RS-485, RS-530 DB25 Serial Interface
Adapter
2201-RoHS
RoHS Compliant USB to 2-Port RS-232 DB9 Serial Interface Adapter
2203-RoHS
RoHS Compliant USB to 2-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2401-RoHS
RoHS Compliant USB to 4-Port RS-232 DB9 Serial Interface Adapter
2403-RoHS
RoHS Compliant USB to 4-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter
2801-RoHS
RoHS Compliant USB to 8-Port RS-232 DB9 Serial Interface Adapter
2404-RoHS
RoHS Compliant USB to RS-232 RJ45 Serial Interface Adapter for Powering 5VDC
Serial Peripherals
2402-DC12
RoHS Compliant USB to RS-232 RJ45 Serial Interface Adapter for Powering 12VDC
Serial Peripherals
2404-DC24
USB to RS-232 RJ45 Serial Interface Adapter for Powering 24VDC Serial Peripherals
2407-DC05
USB to 4-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter for Powering
5VDC Serial Peripherals
2407-DC12
USB to 4-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter for Powering
12VDC Serial Peripherals
2407-DC24
USB to 4-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter for Powering
24VDC Serial Peripherals
2804-DC05
USB to 8-Port RS-232 RJ45 Serial Interface Adapter for Powering 5VDC Serial
Peripherals
2804-DC12
USB to 8-Port RS-232 RJ45 Serial Interface Adapter for Powering 12VDC Serial
Peripherals
2804-DC24
USB to 8-Port RS-232 RJ45 Serial Interface Adapter for Powering 24VDC Serial
Peripherals
2807-DC05
USB to 8-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter for Powering
5VDC Serial Peripherals
2807-DC12
USB to 8-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter for Powering
12VDC Serial Peripherals
2807-DC24
USB to 8-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter for Powering
24VDC Serial Peripherals
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Electrical Specifications
The SeaLINK+485-DB9 utilizes a USB UART. This chip features programmable baud rate, data format, 128byte RX buffer, and 256-byte TX buffer. The RS-485 two-wire transceiver supports data rates from 300 baud
up to 921.6K baud. Refer to Appendix C for cable length limitations.
CONNECTOR PIN OUT
RS-485 (DB-9 MALE)
Note that pins 1 and 4 are internally connected and either may be used for the (+) wire in a two-
wire half duplex RS-485 link. Pins 2 and 3 are internally connected and either may be used for the
(-) wire.
Note that pins 1 and 4 are internally pulled up to +5 volts though a 510 ohm resistor. Pins 2 and 3
are internally pulled down to ground through a 510 ohm resistor. The (+) and (-) pins are
connected together with a 120 ohm terminating resistor. This device should only be used at either
end of a RS-485 link.
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Pin #
Signal
Name
1
DATA+
Data Positive
I/O
2
DATA-
Data Negative
I/O
3
DATA-
Data Negative
I/O
4
DATA+
Data Positive
I/O
5
GND
Ground
6
N/C
Not Connected
N/A
7
N/C
Not Connected
N/A
8
N/C
Not Connected
N/A
9
N/C
Not Connected
N/A
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Technical Specifications
ENVIRONMENTAL SPECIFICATIONS
Specification
Operating
Storage
Temperature Range
-40º to 75º C (-40º to 185º F)
-50º to 105º C (-58º to 221º F)
Humidity Range
10 to 90% R.H. Non-Condensing
10 to 90% R.H. Non-Condensing
POWER REQUIREMENTS
Supply line
+5 VDC
Rating
100 mA
MANUFACTURING
All Sealevel Systems, Inc. printed circuit boards are built to UL 94V0 rating and are 100% electrically tested.
These printed circuit boards are solder mask over bare copper or solder mask over tin nickel.
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Hardware Configuration
RUGGEDIZED OVERMOLD ENCLOSURE
The 2107 is built for harsh conditions and features a military-grade, ruggedized, overmolded enclosure.
This improves the reliability and durability in industrial and mobile applications.
DB9M SERIAL CONNECTOR
The 2107 includes a DB9 male serial connector on one end of the device. The pin assignments for this
connector are detailed in the previous Electrical Specifications section.
STATUS LEDS
A pair of status LEDs indicate:
•
Tx (Red) – Light when data is being transmitted
•
Rx (Green) – Light when data is being received
ATTACHED USB CABLE
The attached cable has a black jacket over a braided shield. The cable is approximately 44” overall with a
USB Type A connector, which is compatible with any available USB port on a host computer or USB hub. Selfpowered hubs can be used as long as they provide a minimum of 100mA to each USB port. The 2107 is
compatible with USB 2.0 ports and is USB 1.1 compliant.
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Installation
SEACOM SOFTWARE INSTALLATION
Windows Installation
Do not connect the device to a USB port until the software has been successfully installed.
To install Sealevel Systems software, you must log in as an administrator or have administrator
privileges in Windows.
1. Insert the Sealevel Software disk in to your optical drive.
2. If ‘Auto-Run’ is enabled, the installation window will automatically launch.
3. Otherwise, navigate to the root directory of your optical drive and double-click the ‘autorun.exe’
application to launch the installation window.
4. Select ‘Install’.
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5.
Type in the part number for your device or select it from the list in the drop-down list.
If you installed your hardware prior to loading/installing the drivers, please click on the ‘Click here if
you installed hardware before software’ and follow the listed instructions.
6. Click the ‘Install Drivers’ button to launch the Installation Wizard.
7. When the ‘SeaCOM - InstallShield Wizard’ window appears, click the ‘Next’ button to initiate the
software installation.
8. When the ‘License Agreement’ window appears, accept the terms and click ‘Next’ to continue. You
can click the ‘Print’ button to print out a copy of the agreement for your records. If you do not
accept the terms of the agreement, the installation will stop.
9. When the ‘Ready to Install the Program’ window appears, click the ‘Install’ button to install the
software. The files will be automatically installed into the ‘C:\Program Files’ folder on your
computer.
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10. The following dialog box may appear, as shown below. Click the ‘OK’ button to continue.
All SeaCOM software and drivers have been fully tested by Sealevel. Clicking ‘Yes’ will not harm your
system.
11. The following dialog box may appear, as shown below. Click the ‘OK’ button to continue.
This is a notification that if you are upgrading from a previous driver version, you should remove
the associated Device Manager hardware entries and reinstall the adapter after the installing the
SeaCOM software.
12. The setup file will automatically detect the operating environment and install the proper
components. Once the installation is complete, close the disk installation window.
13. You have completed the software driver installation process.
14. Refer to the Physical Installation section to connect and install your adapter.
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DIRECT DRIVER INSTALLATION FROM THE SEALEVEL DISK
1. To install the driver executable from the Sealevel disk, browse the Sealevel Systems disk for:
Software\SeaCOM\Windows\SeaCOM Installer.exe
2. If you are using Windows Vista or newer operating systems, right click on the installer
executable and choose ‘Run as Administrator’. If you are using an operating system prior to
Windows Vista, double click on the executable to launch the InstallShield and initiate the
driver installation.
3. Please refer to step six above in the Disk Installation section and follow the remaining
installation steps.
INSTRUCTIONS FOR DOWNLOADED SOFTWARE INSTALLATION
1. To obtain the most current software driver package from Sealevel’s website, download from
here:
•
SeaCOM for Windows
•
SeaCOM for Linux
2. Choose the link for the target operating system and click on the ‘Download File’ link to
download the current driver.
3. Once downloaded, if you are using Windows Vista or newer operating systems, right click on
the installer executable and choose ’Run as Administrator’. If you are using an Operating
system prior to XP, double click on the executable to launch the InstallShield and initiate the
driver installation.
4. Please refer to step six above in the ‘Disk Installation’ section and follow the remaining
installation steps.
UPGRADING TO THE CURRENT SEACOM DRIVER
1. Download the current driver using the Instructions from the ‘Downloaded Software
Installation’ section above. Please take note of the destination directory it will save to.
2. Uninstall the currently loaded driver SeaCOM driver found in the Control Panel. Prior to
Windows Vista SeaCOM will be populated in ‘Add/Remove Programs’ list. In Vista and newer
OSs it will be found in the ‘Programs and Features’ list.
3. Navigate to the Device Manager and remove the Sealevel adapter by right clicking on the line
item choosing ‘Uninstall’. Depending on your product, it can be found under either
‘Multiport Serial adapters’ or ‘Universal Serial Bus controllers’.
4. Single port ISA cards and PCMCIA cards will need to be uninstalled under ‘Ports (COM &
LPT)’.
5. In the Device Manager under ‘Action’, choose ‘Scan for Hardware changes’. This will prompt
the installation of the adapter and associate it with the newly installed SeaCOM driver.
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6. Proceed with the hardware installation of your SeaLINK USB serial adapter.
Windows NT is not USB aware, and thus, it cannot support this device.
HARDWARE INSTALLATION
The SeaLINK+485 can be connected to any Upstream Type A USB port at the PC host or an Upstream Hub.
Since it is hot pluggable, there is no need to power down your computer prior to installation. The
SeaLINK+485 requires no user hardware configuration. Once you have installed the software simply plug
the USB connector into an available USB port. The drivers that were installed during setup will automatically
be used to configure the adapter. In Windows XP and previous OS versions, you should see one or more
‘Found New Hardware’ windows, indicating the actual device being created and enumerated. See below. In
Vista and newer operating systems, the enumeration occurs automatically without user interaction.
Windows XP
Once the device has been connected, the Found New Hardware wizard will appear twice – first for
the USB part, and then for the serial port that you are installing.
The following instructions are applicable to the Windows XP operating system and may vary depending on
your version of Windows.
1. After the software installation is complete, plug the 2107 into an available USB port on the
computer or USB hub.
2. A ‘Found New Hardware’ alert will appear above the system tray.
3. The ‘Found New Hardware Wizard’ will appear.
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4. Choose ‘No, not this time’ and click ‘Next’ to proceed.
5. Choose ‘Install the software automatically’ and click ‘Next’.
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6. The ‘Hardware Wizard’ will search for the proper drivers; however, it may be interrupted by a
message stating that the hardware has not passed Windows certification. Click ‘Continue
Anyway’.
All SeaCOM software and drivers have been fully tested by Sealevel. Clicking ‘Continue anyway’ will
not harm your system.
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7. The appropriate drivers for your SeaLINK device and version of Windows will be installed as
shown.
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8. Click ‘Finish’ to complete the installation of your hardware.
The ‘Found New Hardware Wizard’ appears a second time; repeat steps 4-8.
9. When the ‘Found New Hardware’ alert informs you that your hardware is installed and ready
to use, you can proceed with verifying the installation to check functionality and/or locate
the COM port assignments, if necessary.
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VERIFYING INSTALLATION
To confirm that the serial port has been successfully installed, look in Device Manager under ‘Ports (COM
&LPT)’ and the COM assignment will be included with the associated COM number in parentheses.
To access Device Manager, follow the steps below:
1. Right click on ‘My Computer’ icon on your desktop or in the Start menu.
2. Click ‘Manage’ in the fly out menu to launch the ‘Computer Management’ console window.
3. In the left pane under ‘System Tools’, click ‘Device Manager’.
4. In right pane near the bottom, expand the ‘Ports (COM & LPT)’ section by clicking the ‘+’
symbol.
5. You should now see the COM assignment with the associated COM number in parentheses.
Your system will assign the next available COM number, which will vary by computer (COM4 as
shown in this example).
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UNINSTALL & UPGRADE INSTRUCTIONS
The SeaCOM software program adds entries to the system registry that are necessary for specifying the
operating parameters for your device. To completely remove the hardware and associated software, follow
the steps in the order that they appear.
To upgrade to the latest version of SeaCOM, follow the instructions to uninstall the hardware and software,
followed by the upgrade instructions.
Start with the hardware connected to a USB port. Do not unplug it until instructed to do so.
REMOVE HARDWARE USING DEVICE MANAGER
To access Device Manager, follow the steps below:
1. Right click on ‘My Computer’ icon on your desktop or in the Start menu.
2. Click ‘Manage’ in the fly out menu to launch the ‘Computer Management’ console window.
3. In the left pane under ‘System Tools’, click ‘Device Manager’.
4. In right pane near the bottom, expand the ‘Universal Serial Bus controllers’ section by
clicking the ‘+’ symbol.
5. Locate the SeaLINK device in the listing, highlighted below.
6. Right click on the entry for the SeaLINK device and click ‘Uninstall’ in the fly out menu.
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7. Confirm that you want to uninstall the SeaLINK device by clicking the ‘OK’ button. This will
remove the hardware and all registry entries from your computer. Keep the device plugged
in.
8. The window will refresh and the entry for the SeaLINK device will no longer appear. Proceed
with removing the software on the following pages.
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REMOVE SOFTWARE USING CONTROL PANEL
Make sure you have first removed the hardware using the instructions on the previous page before
removing the software, otherwise remnants of the configuration settings will be left on your system.
Keep the SeaLINK device plugged in until the software has been completely uninstalled.
1. Access the Control Panel by clicking the ‘Start’ button, and then ‘Control Panel’.
2. In the Control Panel window, double-click the ‘Add or Remove Programs’ icon (In Windows
Vista, double-click on ‘Programs and Features’).
3. The Add or Remove Programs window will list all currently installed software on your system.
Once the ‘Currently installed programs’ list populates, locate and select the entry for
‘SeaCOM’.
4. Click the ‘Remove’ button.
5. The ‘SeaCOM – InstallShield Wizard’ window will appear along with a dialog box asking you
to confirm. Click the ‘Yes’ button to continue.
6. When the removal process completes, click the ‘Finish’ button to close the window. A dialog
box appears to confirm the removal success. Click the ‘Ok’ button on the dialog box.
7. If you are upgrading software, leave the SeaLINK device plugged in and follow the
instructions in the ‘UPGRADING TO THE CURRENT SEACOM DRIVER’ section above.
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Appendix A - Handling Instructions
ESD WARNINGS
ELECTROSTATIC DISCHARGES (ESD)
A sudden electrostatic discharge can destroy sensitive components. Proper packaging and grounding
rules must therefore be observed. Always take the following precautions:
1. Transport boards and cards in electrostatically secure containers or bags.
2. Keep electrostatically sensitive components in their containers, until they arrive at an
electrostatically protected workplace.
3. Only touch electrostatically sensitive components when you are properly grounded.
4. Store electrostatically sensitive components in protective packaging or on anti-static mats.
GROUNDING METHODS
The following measures help to avoid electrostatic damages to the device:
5. Cover workstations with approved antistatic material. Always wear a wrist strap connected to a
properly grounded workplace.
6. Use antistatic mats, heel straps, and/or air ionizers for more protection.
7. Always handle electrostatically sensitive components by their edge or by their casing.
8. Avoid contact with pins, leads, or circuitry.
9. Turn off power and input signals before inserting and removing connectors or connecting test
equipment.
10. Keep work area free of non-conductive materials such as ordinary plastic assembly aids and
Styrofoam.
11. Use field service tools such as cutters, screwdrivers, and vacuum cleaners that are conductive.
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Appendix B – Troubleshooting
The adapter should provide years of trouble-free service. However, in the event that it appears to be
functioning incorrectly, the following tips can eliminate most common problems without the need to call
Technical Support.
Ensure that the Sealevel Systems SeaCOM software has been installed on the machine, so that the necessary
files are in place to complete the installation. To confirm installation, click on the Windows ‘Start’ button
and then select ‘All Programs’. You should see the ‘SeaCOM’ program folder listed.
Check to make sure that USB support is enabled and functioning properly in the operating system. The
presence of the ‘Universal Serial Bus controllers’ listing in Device Manager will confirm that USB support is
enabled in Windows 98, ME, 2000, XP, Vista ™and Windows 7 operating systems.
Locate the COM ports for your device in Device Manager (described under ‘Verifying Installation’ in the
Installation and Configuration section of this manual).
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Appendix C – Electrical Interface
RS-485
RS-485 is backwardly compatible with RS-422; however, it is optimized for party-line or multi-drop
applications. The output of the RS-422/485 driver is capable of being Active (enabled) or Tri-State
(disabled). This capability allows multiple ports to be connected in a multi-drop bus and selectively polled.
RS-485 allows cable lengths up to 4000 feet and data rates up to 10 Megabits per second. The signal levels
for RS-485 are the same as those defined by RS-422. RS-485 has electrical characteristics that allow for 32
drivers and 32 receivers to be connected to one line. This interface is ideal for multi-drop or network
environments. RS-485 tri-state driver (not dual-state) will allow the electrical presence of the driver to be
removed from the line. Only one driver may be active at a time and the other driver(s) must be tri-stated.
RS-485 can be cabled in two ways, two wire and four wire mode. The 2017 implements two wire RS-485.
Two wire mode does not allow for full duplex communication, and requires that data be transferred in only
one direction at a time. For half-duplex operation, the two transmit pins should be connected to the two
receive pins (Tx+ to Rx+ and Tx- to Rx-). Four wire mode allows full duplex data transfers. RS-485 does not
define a connector pin-out or a set of modem control signals. RS-485 does not define a physical connector.
Appendix D – Asynchronous Communications
Serial data communications implies that individual bits of a character are transmitted consecutively to a
receiver that assembles the bits back into a character. Data rate, error checking, handshaking, and
character framing (start/stop bits) are pre-defined and must correspond at both the transmitting and
receiving ends.
Asynchronous communications are the standard means of serial data communication for PC compatible and
PS/2 computers. The original PC was equipped with a communication or COM port that was designed
around an 8250 Universal Asynchronous Receiver Transmitter (UART). This device allows asynchronous
serial data to be transferred through a simple and straightforward programming interface. A starting bit
followed by a pre-defined number of data bits (5, 6, 7, or 8) defines character boundaries for asynchronous
communications. The end of the character is defined by the transmission of a pre-defined number of stop
bits (usually 1, 1.5 or 2). An extra bit used for error detection is often appended before the stop bits. The
diagram below demonstrates asynchronous communication bits.
Idle state of
line
5 to 8 Data Bits
Odd, Even
or
Unused
Remain Idle or
next start bit
1
P
BIT
STOP
0
1
1.5
2
This special bit is called the parity bit. Parity is a simple method of determining if a data bit has been lost or
corrupted during transmission. There are several methods for implementing a parity check to guard against
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data corruption. Common methods are called (E)ven Parity or (O)dd Parity. Sometimes parity is not used to
detect errors on the data stream. This is referred to as (N)o parity. Because each bit in asynchronous
communications is sent consecutively, it is easy to generalize asynchronous communications by stating that
each character is wrapped (framed) by pre-defined bits to mark the beginning and end of the serial
transmission of the character. The data rate and communication parameters for asynchronous
communications have to be the same at both the transmitting and receiving ends. The communication
parameters are baud rate, parity, number of data bits per character, and stop bits (i.e., 9600,N,8,1).
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Appendix E – Cable Drawing
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Appendix F - How to Get Assistance
When calling for technical assistance, please have the device installed and ready to run diagnostics. If
possible, have your user manual and current settings ready.
The Sealevel website is an excellent resource located at www.sealevel.com. The most current software
updates and user manuals are available via our homepage by clicking on the 'Drivers' or 'Manuals' links
located under ‘Technical Support.’ Manuals and software can also be downloaded from the product page
for your device.
The FAQ section of our website answers many common questions. Refer to this helpful resource by visiting
www.sealevel.com/faq.asp.
TECHNICAL SUPPORT
Monday – Friday
8:00 am to 5:00 pm EST
Phone: +1 (864) 843-4343
Email: [email protected]
RETURN AUTHORIZATION MUST BE OBTAINED FROM SEALEVEL SYSTEMS BEFORE RETURNED
MERCHANDISE WILL BE ACCEPTED. AUTHORIZATION CAN BE OBTAINED BY CALLING SEALEVEL
SYSTEMS AND REQUESTING A RETURN MERCHANDISE AUTHORIZATION (RMA) NUMBER.
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Warranty
Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is
standard on all Sealevel manufactured I/O products. Relio™ industrial computers are warranted for a period
of two years and the R9 family is warranted for a five year period from date of purchase. We are able to
offer this warranty due to our control of manufacturing quality and the historically high reliability of our
products in the field. Sealevel products are designed and manufactured at its Liberty, South Carolina
facility, allowing direct control over product development, production, burn-in and testing. Sealevel
achieved ISO-9001:2000 certification in 2002.
WARRANTY POLICY
Sealevel Systems, Inc. (hereafter "Sealevel") warrants that the Product shall conform to and perform in
accordance with published technical specifications and shall be free of defects in materials and
workmanship for the warranty period. In the event of failure, Sealevel will repair or replace the product at
Sealevel's sole discretion. Failures resulting from misapplication or misuse of the Product, failure to adhere
to any specifications or instructions, or failure resulting from neglect, abuse, accidents, or acts of nature
are not covered under this warranty.
Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase.
Customer agrees to insure the Product or assume the risk of loss or damage in transit, to prepay shipping
charges to Sealevel, and to use the original shipping container or equivalent. Warranty is valid only for
original purchaser and is not transferable.
This warranty applies to Sealevel manufactured Product. Product purchased through Sealevel but
manufactured by a third party will retain the original manufacturer's warranty.
NON-WARRANTY REPAIR/RETEST
Products returned due to damage or misuse and Products retested with no problem found are subject to
repair/retest charges. A purchase order or credit card number and authorization must be provided in order
to obtain an RMA (Return Merchandise Authorization) number prior to returning Product.
HOW TO OBTAIN AN RMA (RETURN MERCHANDISE AUTHORIZATION)
If you need to return a product for warranty or non-warranty repair, you must first obtain an RMA number.
Please contact Sealevel Systems, Inc. Technical Support for assistance:
Available
Phone
Email
Monday – Friday, 8:00AM to 5:00PM EST
864-843-4343
[email protected]
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